Used 2018 Mercedes C Class engine computer from a salvage yard

Year-specific price guide

Used 2018 Mercedes C Class Engine Computer prices

Year-specific used engine computer pricing for the 2018 Mercedes C Class, built from real salvage yard and junkyard listings with condition grade and fitment detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedAug 23, 2026

Part overview

About the 2018 Mercedes C Class engine computer

A used 2018 Mercedes C Class engine computer costs between $75 and $800, with a median of $200 from 191 salvage yard listings.

What the engine computer does, common failure signs, and prices across all vehicles: used engine computer price guide →

Also known asECUECMPCMEngine Control ModuleEngine Control UnitPowertrain Control Module
Price summary

A used 2018 Mercedes C Class engine computer costs $75 to $800, with a median asking price of $200. Based on 191 priced salvage yard listings across the US, compatible across 2015–2022 (8 model years), updated Aug 23, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$212
Grade B (good)$75

2018 Mercedes C Class engine computer price snapshot

USD
Low
$75
Average
$224
High
$800
244 listings observed · 191 priced listings used · last updated Aug 23, 2026· How we price·

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Reporting price for 2018 Mercedes C Class Engine Computer

Reason

Condition comparison

Price by part grade

Grade AClean / low wear$75–$800170 listings
Grade BStandard used$75–$21613 listings
Grade XUngraded$75–$1508 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $75–$800 overall range

Replacement cost

What is the 2018 Mercedes C Class engine computer replacement cost?

ESTIMATE
Used part
$200
2018 Mercedes C Class median asking price
Labor
$95–$450
1–3 hours at $95–$150/hr
Estimated total
$295–$650
median used part + labor

Labor is a typical independent-shop range for engine computer replacement, not a quote for your vehicle; it does not include programming and key relearn procedure. The part price is the live median from the salvage-yard listings on this page. Full engine computer replacement cost breakdown

Fitment matters

Price by trim & variant

205 Type, (Electronic Control Module), C6341 listingsInterchange 2015–2020$351$176 – $800
205 Type, (Electronic Control Module), C63s41 listingsInterchange 2015–2020$351$176 – $800
205 Type, (Electronic Control Module), C30040 listingsInterchange 2016–2022$78$75 – $200
205 Type, (Electronic Control Module), C350e40 listingsInterchange 2016–2022$78$75 – $200
205 Type, (Electronic Control Module), C4329 listingsInterchange 2015–2022$195$100 – $400

Year-specific context

How does the 2018 Mercedes C Class compare?

The 2018 guide is based on 244 observed listings, including 191 with posted prices. Its $200 median is 8% below the Mercedes C Class guide's $218 median.

Among the 11 model years with current price data, 2018 ranks #3 from lowest to highest median.

Interchange data shows this part is also listed under model years 2015, 2016, 2017, 2019, 2020, 2021, 2022. Shopping across all 8 compatible years may surface better prices or condition grades.

Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.

Compare model years

What does a Mercedes C Class engine computer cost in other years?

Keep browsing this vehicle

What other Mercedes C Class parts are priced?

01wide ±141%

AC Compressor

$200median
$50$613
02wide ±217%

ABS Module

$227median
$45$1,031
03wide ±208%

Air Bag

$199median
$40$866
04wide ±284%

Alternator

$187median
$35$1,099
05wide ±212%

Axle Shaft

$202median
$40$895
06wide ±114%

Blower Motor

$96median
$30$249
07wide ±294%

Brake Caliper

$165median
$30$1,000
08wide ±124%

Rear Bumper Assembly

$930median
$193$2,500
09wide ±121%

Front Bumper

$600median
$100$1,550
10wide ±98%

Rear Bumper

$741median
$120$1,575
11wide ±240%

Car Radio

$225median
$40$1,118
12wide ±91%

Center Console

$134median
$55$300
13wide ±268%

AC Condenser

$113median
$35$640
14wide ±268%

Control Arm

$120median
$20$662
15tight ±11%

Differential

$450median
$400$500
16wide ±137%

Door Assembly

$735median
$141$2,160
17wide ±178%

Drive Shaft

$245median
$55$926
18wide ±172%

Engine

$6,396median
$1,240$23,303
19wide ±76%

Exhaust Manifold

$250median
$100$480
20wide ±147%

Fender

$350median
$100$1,131
21spread ±57%

Fog Light

$132median
$65$215
22wide ±189%

Front Seat

$298median
$75$1,200
23wide ±235%

Fuel Pump

$120median
$30$595
24wide ±163%

Fuel Tank

$233median
$65$824
25wide ±243%

Grille

$199median
$33$1,000
26wide ±120%

Headlight Assembly

$900median
$251$2,410
27

Heater Core

Price data updating

28wide ±132%

Hood

$851median
$220$2,460
29wide ±78%

Ignition Switch

$99median
$45$199
30

Instrument Cluster

Price data updating

31wide ±235%

Intake Manifold

$113median
$20$550
32wide ±108%

Master Cylinder

$78median
$35$203
33wide ±219%

Side Mirror

$500median
$85$2,275
34wide ±133%

Power Steering Pump

$150median
$25$425
35wide ±185%

Quarter Panel

$717median
$250$2,900
36wide ±292%

Radiator

$227median
$45$1,371
37wide ±118%

Rear View Mirror

$141median
$38$372
38wide ±183%

Starter

$100median
$19$385
39wide ±162%

Steering Column

$200median
$40$687
40wide ±137%

Steering Rack

$800median
$138$2,332
41wide ±271%

Steering Wheel

$324median
$65$1,823
42wide ±195%

Strut

$245median
$45$1,000
43wide ±286%

Sunroof

$407median
$70$2,399
44wide ±106%

Tail Light

$241median
$85$595
45wide ±162%

Tailgate

$739median
$125$2,516
46wide ±201%

Throttle Body

$85median
$25$366
47spread ±38%

Torque Converter

$695median
$309$844
48wide ±261%

Transfer Case

$445median
$125$2,448
49wide ±227%

Transmission

$1,200median
$200$5,649
50wide ±289%

Transmission Control Module

$100median
$18$595
51wide ±82%

Turbocharger

$570median
$264$1,200
52wide ±137%

Water Pump

$149median
$40$449
53wide ±253%

Wheels

$391median
$65$2,040
54wide ±108%

Window Regulator

$144median
$40$352

Common questions

2018 Mercedes C Class engine computer FAQ

How much is a used 2018 Mercedes C Class engine computer?

Based on 191 priced salvage-yard listings, a used 2018 Mercedes C Class engine computer lists between $75 and $800, with a median asking price of $200.

How much does it cost to replace a 2018 Mercedes C Class engine computer?

Using a used part, a 2018 Mercedes C Class engine computer replacement typically runs $295–$650 all-in: the median used engine computer for this year lists at $200, and independent-shop labor for engine computer replacement typically takes 1–3 hours at $95–$150/hr ($95–$450). The labor figure does not include programming and key relearn procedure. Labor is a national part-level estimate, not a quote for your vehicle.

Will a 2018 Mercedes C Class engine computer fit another year?

Based on salvage-yard interchange data, listings for the 2018 Mercedes C Class engine computer also appear under model years 2015, 2016, 2017, 2019, 2020, 2021, 2022, suggesting these years share compatible fitments. Always verify the exact part number, drivetrain, trim, and your VIN before buying — interchange compatibility can vary by variant.

How much is a 2018 Mercedes C Class ecu?

A ecu is another name for a engine computer. The prices on this page cover the 2018 Mercedes C Class engine computer — median $200, from 191 listings.

2018 Mercedes C Class Engine Computer Cost — Used From $75 to $800